[vtkusers] how can I do picking on the vtkLineSource ?

[orobin]

thank you for this link.

it doesn't help me, because what I need is how to know what object is
picked.

Olivier



michiel mentink wrote:
> 
> how about looking at this example:
> 
> http://www.itk.org/Wiki/VTK/Examples/Picking_a_pixel
> 
> Michael
> 
> On Mon, Jan 18, 2010 at 5:03 PM, orobin
> <Olivier.Robin at bioclinica.com>wrote:
> 
>>
>> Hello,
>>
>> I have a vtkRender, where I draw some images.
>> above this image, I draw some lines (vtkLineSource), or sometime
>> vtkPolydata
>> (to do some cube, polylines)
>>
>> I need to get mouse event when the user click on the line, or the
>> polydata,
>> when the mous is over the line, when the user release the mouse on the
>> line
>> etc...
>>
>> I have tried to use the vtkPropPicker, and vtkCellPicker, but it doens't
>> work properly for me, because it detect an actor.
>> and then, it detect something like a big square where my line is in.
>>
>> I need to be precis, and just be called when the mouse pointer is on one
>> of
>> the several pixels which build the line.
>>
>> How can I do ? is there some object which can be used to pick lines,
>> sphere,
>> cone, vtkpolydata ???
>>
>> thnak you for any help, I don't find answer in the book of kitware.
>>
>> Best regards
>> Olivier
>> --
>> View this message in context:
>> http://old.nabble.com/how-can-I-do-picking-on-the-vtkLineSource---tp27213547p27213547.html
>> Sent from the VTK - Users mailing list archive at Nabble.com.
>>
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at:
>> http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
> 
> _______________________________________________
> Powered by www.kitware.com
> 
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
> 
> Please keep messages on-topic and check the VTK FAQ at:
> http://www.vtk.org/Wiki/VTK_FAQ
> 
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers
> 
> 

-- 
View this message in context: http://old.nabble.com/how-can-I-do-picking-on-the-vtkLineSource---tp27213547p27222417.html
Sent from the VTK - Users mailing list archive at Nabble.com.